GetValue

This method retrieves a specified property value for layer objects.

HRESULT GetValue(

[in] BSTR Name,

[out] PropertyValueType propValType,

[out, retval] VARIANT* Value)

Parameters:

• Name – A string value. The name of the property to be set. The parameter can be a name of any property field as it appears in the Layer properties sheet in TerraExplorer (e.g., “Line Color”).

• prpValType – An enum that indicates how the value parameter is interpreted. The PropertyValueType enum can use any of the following values:

• PROPERTY_VALUE = 0
  Property value or expression.

• PROPERTY_CLASSIFICATION = 1
  Classification XML.

• Value – The value of the property as defined in the propValType parameter. This parameter can be any of the following:

• The type expected for the specified property. For example, “Line Color” returns a long type value.

• A valid expression encapsulated in “<” and “>” marks, as defined in the user manual. See: “Feature Layers” chapter in the User Manual.

• An XML string, See: the SetValue method description.

Return Values:

The return value obtained from the returned HRESULT can be one of the following: